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Versions: 24
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Contents
# frozen_string_literal: true
# Monkey patches for +Object+
#
class Object
# Adds a `render` method to a class for rendering an ERB template to a string.
#
# @param dir [String] a directory in which to find the template to be rendered,
# populated with a guess from the call stack if not provided.
def self.renderable(dir: nil)
dir ||= begin
this_patch_file = __FILE__
this_patch_file_caller_index = caller_locations.find_index do |location|
location.absolute_path == this_patch_file
end
location_that_called_renderable = caller_locations[(this_patch_file_caller_index || -1) + 1]
File.dirname(location_that_called_renderable.path)
end
class_eval <<~METHOD, __FILE__, __LINE__ + 1
def renderable_base_dir
"#{dir}"
end
METHOD
class_eval do
def render(file:)
file = File.absolute_path(file, renderable_base_dir)
template = File.open(file, 'rb', &:read)
ERB.new(template).result(binding)
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems